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authorDavid Rientjes <rientjes@google.com>2010-12-22 17:23:47 -0800
committerH. Peter Anvin <hpa@linux.intel.com>2010-12-23 15:27:12 -0800
commit4e76f4e67a106ed827ca721b4c8b622047cd2f6d (patch)
tree12e650c56148e086183d1256bc1843134b0659bf
parent34dc9e74968ef4b582c3815b0124d88a68dfabef (diff)
downloadop-kernel-dev-4e76f4e67a106ed827ca721b4c8b622047cd2f6d.zip
op-kernel-dev-4e76f4e67a106ed827ca721b4c8b622047cd2f6d.tar.gz
x86, numa: Avoid compiling NUMA emulation functions without CONFIG_NUMA_EMU
Both acpi_get_nodes() and amd_get_nodes() are only necessary when CONFIG_NUMA_EMU is enabled, so avoid compiling them when the option is disabled. Signed-off-by: David Rientjes <rientjes@google.com> LKML-Reference: <alpine.DEB.2.00.1012221701210.3701@chino.kir.corp.google.com> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
-rw-r--r--arch/x86/include/asm/acpi.h5
-rw-r--r--arch/x86/include/asm/amd_nb.h5
-rw-r--r--arch/x86/mm/amdtopology_64.c2
-rw-r--r--arch/x86/mm/srat_64.c2
4 files changed, 12 insertions, 2 deletions
diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h
index 55d106b..b326fa9 100644
--- a/arch/x86/include/asm/acpi.h
+++ b/arch/x86/include/asm/acpi.h
@@ -188,14 +188,17 @@ extern int acpi_numa;
extern int acpi_get_nodes(struct bootnode *physnodes);
extern int acpi_scan_nodes(unsigned long start, unsigned long end);
#define NR_NODE_MEMBLKS (MAX_NUMNODES*2)
+
+#ifdef CONFIG_NUMA_EMU
extern void acpi_fake_nodes(const struct bootnode *fake_nodes,
int num_nodes);
+#endif
#else
static inline void acpi_fake_nodes(const struct bootnode *fake_nodes,
int num_nodes)
{
}
-#endif
+#endif /* CONFIG_ACPI_NUMA */
#define acpi_unlazy_tlb(x) leave_mm(x)
diff --git a/arch/x86/include/asm/amd_nb.h b/arch/x86/include/asm/amd_nb.h
index 6aee50d..9c16cde 100644
--- a/arch/x86/include/asm/amd_nb.h
+++ b/arch/x86/include/asm/amd_nb.h
@@ -9,10 +9,13 @@ struct bootnode;
extern int early_is_amd_nb(u32 value);
extern int amd_cache_northbridges(void);
extern void amd_flush_garts(void);
-extern int amd_get_nodes(struct bootnode *nodes);
extern int amd_numa_init(unsigned long start_pfn, unsigned long end_pfn);
extern int amd_scan_nodes(void);
+#ifdef CONFIG_NUMA_EMU
+extern int amd_get_nodes(struct bootnode *nodes);
+#endif
+
struct amd_northbridge {
struct pci_dev *misc;
};
diff --git a/arch/x86/mm/amdtopology_64.c b/arch/x86/mm/amdtopology_64.c
index 51fae9c..fe050af 100644
--- a/arch/x86/mm/amdtopology_64.c
+++ b/arch/x86/mm/amdtopology_64.c
@@ -69,6 +69,7 @@ static __init void early_get_boot_cpu_id(void)
early_init_lapic_mapping();
}
+#ifdef CONFIG_NUMA_EMU
int __init amd_get_nodes(struct bootnode *physnodes)
{
int i;
@@ -81,6 +82,7 @@ int __init amd_get_nodes(struct bootnode *physnodes)
}
return ret;
}
+#endif /* CONFIG_NUMA_EMU */
int __init amd_numa_init(unsigned long start_pfn, unsigned long end_pfn)
{
diff --git a/arch/x86/mm/srat_64.c b/arch/x86/mm/srat_64.c
index a35cb9d..8241bf0 100644
--- a/arch/x86/mm/srat_64.c
+++ b/arch/x86/mm/srat_64.c
@@ -339,6 +339,7 @@ static int __init nodes_cover_memory(const struct bootnode *nodes)
void __init acpi_numa_arch_fixup(void) {}
+#ifdef CONFIG_NUMA_EMU
int __init acpi_get_nodes(struct bootnode *physnodes)
{
int i;
@@ -351,6 +352,7 @@ int __init acpi_get_nodes(struct bootnode *physnodes)
}
return ret;
}
+#endif /* CONFIG_NUMA_EMU */
/* Use the information discovered above to actually set up the nodes. */
int __init acpi_scan_nodes(unsigned long start, unsigned long end)
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